arter investments needs to develop an investment portfolio for Meena Singh from the following list of possible investments. Investment Cost $10,000 $12,000 $3,500 Expected Return $800 $900 $400 TIT $5,000 $8,500 $8,000 $4,000 $450 $800 $600 $250 Singh has a total of $50,000 to invest. The following conditions must be met: (1) If investment F is chosen, then investment G must also be part of the portfolio, (2) at least four investments should be chosen, and (3) of investments A and B. exactly one must be included. Formulate and solve this problem using LP software determine which stocks should be included in Singh's portfolio. For i A, B, C, D, E, F, G, we define the decision variables. Lelin 1 f investment i is chosen 0 otherwise Write the objective function and the constraint in equations. Maximize expected return= Expected return is equal to the sum of the products of the returns and the decision variables. Subject to: Total Investment constraint: Constraint for condition 1: If investment F is chosen, then investment G must also be part of the portfolio: Constraint for condition 2: At least four Investments should be chosen Constraint for condition 3: Of investments A and B, exactly one must be included: Constraint for decision variables: The maximum expected return is $ A.B.C.D. E.F.G. Select the investment(s) that should be included in Singh's portfolio. (Select all that apply) G